[英]ansible lineinfile module to replace a single line with multiple lines
我有一個很正常的游戲,其工作原理如下,這里有兩個From
條目,這些條目正在被TO
條目更改。
但是我只是想知道是否有辦法在我的情況下用ntp.conf
文件中的兩行替換一行。
---
- name: Play to correct the config for NTP clients
hosts: all
remote_user: root
gather_facts: False
tasks:
- name: Changing the ntp server configuration on the client
lineinfile:
path: /etc/ntp.conf
### line to be searched & matched
regexp: '{{ item.From }}'
### line to be in placed
line: '{{ item.To }}'
state: present
backup: yes
backrefs: yes
with_items:
- { From: 'server ros-ntp minpoll 4 maxpoll 10', To: 'server ros-gw.fuzzy.com minpoll 4 maxpoll 10'}
- { From: 'server ros-ntp-b minpoll 4 maxpoll 10', To: 'server ros-b-gw.fuzzy.com minpoll 4 maxpoll 10'}
notify: restart_ntp_service
handlers:
- name: restart_ntp_service
service:
name: ntpd
state: restarted
您需要使用blockinfile
將多行添加到ntp.conf
。 您可以使用lineinfile
將目標行替換為注釋,然后使用insertafter
參數在blockinfile
添加行。
這是blockinfile
文檔 。
或者,您可以使用兩個lineinfile
任務並利用insertafter
屬性。 像這樣:
- name: Set NTP server to use ros-ntp-b
lineinfile:
path: /etc/ntp.conf
regexp: 'server ros-ntp-?b? minpoll 4 maxpoll 10'
line: 'server ros-ntp-b minpoll 4 maxpoll 10'
state: present
backup: no
- name: Add NTP server config for ros-ntp-gw
lineinfile:
path: /etc/ntp.conf
regexp: 'server ros-ntp-rw minpoll 4 maxpoll 10'
line: 'server ros-ntp-gw minpoll 4 maxpoll 10'
insertafter: 'server ros-ntp-b minpoll 4 maxpoll 10'
state: present
backup: yes
通過使用lineinfile
模塊,我得到了如下解決方法,如果有人遇到,我仍然在尋找另一種方法。 只需將以下工作答案放在后代...
---
- name: Play to correct the config for NTP clients
hosts: all
remote_user: root
gather_facts: False
tasks:
- name: Changing the ntp server configuration on the client
lineinfile:
path: /etc/ntp.conf
### line to be searched & matched
regexp: 'server ros-ntp minpoll 4 maxpoll 10'
### line to be in placed
line: "server ros-ntp-b minpoll 4 maxpoll 10\nserver ros-ntp-gw minpoll 4 maxpoll 10"
state: present
backup: yes
backrefs: yes
notify: restart_ntp_service
handlers:
- name: restart_ntp_service
service:
name: ntpd
state: restarted
換行符\\n
與版本2.3和2.4 qs很好地兼容,只是要確保不要從實際的git commit中使用\\\\n
<-thi sis。
# Replace the newline character with an actual newline. Don't replace # escaped \\\\n, hence sub and not str.replace. line = re.sub(r'\\n', os.linesep, params['line']) # Replace the newline character with an actual newline, but be careful # not to trigger other escape sequences (specifically octal \\ooo) line = re.sub(r'((?<!(?:[^\\\\]\\\\))\\\\n)', os.linesep, params['line'])
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